dots/configs/home/config/polybar/old/scripts/network-traffic.sh

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2022-04-03 01:11:04 +02:00
#!/bin/bash
print_bytes() {
if [ "$1" -eq 0 ] || [ "$1" -lt 1000 ]; then
bytes="0 kB/s"
elif [ "$1" -lt 1000000 ]; then
bytes="$(echo "$1/1000" | bc -l | LANG=C xargs printf "%.f\n") kB/s"
fi
echo "$bytes"
}
print_bit() {
if [ "$1" -eq 0 ] || [ "$1" -lt 10 ]; then
bit="0 B"
elif [ "$1" -lt 100 ]; then
bit="$(echo "$1*8" | bc -l | LANG=C xargs printf "%.f\n") B"
elif [ "$1" -lt 100000 ]; then
bit="$(echo "$1*8/1000" | bc -l | LANG=C xargs printf "%.f\n") K"
else
bit="$(echo "$1*8/1000000" | bc -l | LANG=C xargs printf "%.1f\n") M"
fi
echo "$bit"
}
INTERVAL=1
INTERFACES="enp0s31f6 wlp3s0"
declare -A bytes
for interface in $INTERFACES; do
bytes[past_rx_$interface]="$(cat /sys/class/net/"$interface"/statistics/rx_bytes)"
bytes[past_tx_$interface]="$(cat /sys/class/net/"$interface"/statistics/tx_bytes)"
done
while true; do
down=0
up=0
for interface in $INTERFACES; do
bytes[now_rx_$interface]="$(cat /sys/class/net/"$interface"/statistics/rx_bytes)"
bytes[now_tx_$interface]="$(cat /sys/class/net/"$interface"/statistics/tx_bytes)"
bytes_down=$((((${bytes[now_rx_$interface]} - ${bytes[past_rx_$interface]})) / INTERVAL))
bytes_up=$((((${bytes[now_tx_$interface]} - ${bytes[past_tx_$interface]})) / INTERVAL))
down=$(((( "$down" + "$bytes_down" ))))
up=$(((( "$up" + "$bytes_up" ))))
bytes[past_rx_$interface]=${bytes[now_rx_$interface]}
bytes[past_tx_$interface]=${bytes[now_tx_$interface]}
done
echo "ﯱ : $(print_bytes $down) / ﯱ : $(print_bytes $up) "
# echo "Download: $(print_bit $down) / Upload: $(print_bit $up)"
sleep $INTERVAL
done